I saw something on YouTube called JagerPro Mine System. Same concept, but I think yours is much more affordable. Should catch a whole sounder when they are acclimated to the pen and know they can come and go as they please. Make sure you don't overbait! You want competition for feed so they stay in tight.

Korea is nothing like Germany, and no amount of Army Modernization propaganda will convince me otherwise. I miss my wife and kids something fierce